BUILDING MATERIALS & INSULATION With locations in Oregon and Washington, Knez is ready to supply your insulation, drywall, acoustical ceiling projects, and more. Find a location Contact Us Building Materials Learn More Insulation Learn More Material Handling Learn More Drywall Recycling Learn More Drywall Support Learn More Metal Framing Learn More Acoustic Ceilings Learn More Joint Compounds Learn More Our Locations Vancouver, WA Portland, OR Tigard, OR CLackamas, OR Salem, OR Eugene, OR All Locations